SR 521 over Over I-71
GoodDelaware County, Ohio · 2.98 MI W of SR61 · Structure no. 2103540
- Built
- 1959
- 66 years old, rebuilt 1988
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 385 ft
- 4 main spans
- Daily traffic
- 1,759
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
SR 521 over Over I-71 is a steel continuous stringer/multi-beam or girder carrying SR 521 over Over I-71 in Delaware County, Ohio. It was built in 1959 and reconstructed in 1988, so it is 66 years old, older than the Ohio average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,759 vehicles a day, roughly 11% of them trucks, projected to reach 2,441 by 2035. The structure is 385 ft (117.2 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 521 over Over I-71 built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1988.
What condition is SR 521 over Over I-71 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.
How much traffic does SR 521 over Over I-71 carry?
About 1,759 vehicles per day (2015 count), of which roughly 11% are trucks.
How long is SR 521 over Over I-71?
The structure is 385 ft (117.2 m) long with a longest span of 111 ft (33.9 m) and a deck 35 ft wide.
Who owns SR 521 over Over I-71?
It is owned by the State Highway Agency.